Manufactured by CHG Bearing, the NN 3024 KTN3/SP is a precision Super-Precision Cylindrical Roller Bearings. Key dimensional parameters include a 120 mm bore diameter, a 180 mm outer diameter, and a 46 mm overall width. This component is designed to meet standard load requirements and ensure consistent operational performance. For comprehensive technical evaluation, please explore the detailed specifications, dimensional data, product images, and CAD drawings provided below. A complete PDF data sheet is also readily available for direct download to support your engineering and procurement needs.
NN 3024 KTN3/SP - Super-Precision Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | NN 3024 KTN3/SP |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Super-precision Cylindrical Roller Bearing |
| Design Type | Tapered Bore 1:12 |
| Structure (Drawing Reference) | Complete Bearing |
| Number of Rows | 2 |
| Ring Type | None |
| Design | NN Design |
| Tolerance Class | SP |
| Bearing Material | Bearing Steel |
| Coating | None |
| Sealing | None |
| Lubricant | None |
| Features | None |
| Number of Flanges – Outer Ring | 0 |
| Number of Ribs – Inner Ring | 3 |
| Dimensions | |
| Bore Diameter (d) | 120 mm |
| Width (B) | 46 mm |
| Outer Diameter (D) | 180 mm |
| Minimum Chamfer Dimension rmin | 2 mm |
| Inner Ring Chamfer | 2 mm |
| Outer Ring Chamfer | 1.1 mm |
| End-face Height Difference h | 3 mm |
| Inner-Ring Land Diameter (L1 / d1) | 142.6 mm |
| Outer Ring Raceway Diameter E | 165 mm |
| Shaft Shoulder Diameter dₐ, min. | 130 mm |
| Housing Shoulder Diameter Dₐ, min. | 167 mm |
| Housing Shoulder Diameter Dₐ, max. | 170 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 229 kN |
| Basic Static Load Rating C₀ (kN) | 390 kN |
| Limiting Speed – Grease (r/min) | 6000 r/min |
| Limiting Speed – Oil-air (r/min) | 6900 r/min |
| Recommended Grease Quantity Grec (cm³) | 12.5 cm³ |
| Fatigue Load Limit Pᵤ (kN) | 44 kN |
| Axial Static Stiffness – Guideline Value (N/µm) | 2760 N/µm |
| Material | |
| Weight (kg) | 3.74 kg |
| Radial Internal Clearance | C1 mm |
| Internal Design & Weight | |
| Cage Type | Non-metallic Cage |
| Mounting Dimensions | |
| Lubrication Port Thread / Size Φ1 | 162.9 |
NN 3024 KTN3/SP 180 mm 120 mm 46 mm Frequently Asked Questions about NN 3024 KTN3/SP Super-Precision Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for NN 3024 KTN3/SP, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
To safeguard CHG Bearing NN 3024 KTN3/SP against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (120 mm x 180 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
To extend the trouble-free lifespan of CHG Bearing NN 3024 KTN3/SP, preventive maintenance routines should monitor operating housing temperature (normally maintaining below 70°C) and conduct regular vibration FFT analysis to identify early raceway micro-pitting before unexpected line halts occur.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing NN 3024 KTN3/SP correlates its dynamic capacity (standard dynamic) with equivalent dynamic loads. In controlled industrial settings with proper contamination-free filtration, field data confirms continuous operational longevity exceeding 20,000 to 50,000 service hours.
